<template>
  <div class="calendar">
    <el-row type="flex" justify="end">
      <el-select
        v-model="currentYear"
        placeholder="请选择年份"
        style="width:150px;margin-right:15px"
        @change="changeDate"
      >
        <el-option
          v-for="item in yearList"
          :key="item"
          :label="item + '年'"
          :value="item"
        />
      </el-select>

      <el-select
        v-model="currentMonth"
        placeholder="请选择月份"
        style="width:150px;"
        @change="changeDate"
      >
        <el-option
          v-for="item in monthList"
          :key="item"
          :label="item + '月'"
          :value="item"
        />
      </el-select>
    </el-row>
    <el-calendar v-model="currentDate">
      <template #dateCell="{ date, data }">
        <div class="date-content">
          <span class="text">{{ data.day | filterDay }}</span>
          <span v-if="isWeekend(date)" class="rest">休</span>
        </div>
      </template>
    </el-calendar>
  </div>
</template>

<script>
export default {
  filters: {
    filterDay(oldVal) {
      const newDate = oldVal.split('-')[2]
      //   console.log(newDate)
      return newDate.startsWith('0') ? newDate.substr(1) : newDate
    }
  },
  data() {
    return {
      currentDate: new Date(),
      currentYear: '',
      yearList: [],
      currentMonth: '',
      monthList: 12
    }
  },
  created() {
    this.getCurrYear()
  },
  methods: {
    isWeekend(date) {
      //   console.log(date.getDay())
      return date.getDay() === 0 || date.getDay() === 6
    },
    getCurrYear() {
      this.currentYear = this.currentDate.getFullYear()
      this.currentMonth = this.currentDate.getMonth() + 1
      this.yearList = Array.from(Array(11), (value, index) => {
        // console.log(value, index)
        return index + this.currentYear - 5
      })
    },
    changeDate() {
    //   console.log(this.currentDate.getDate())
      this.currentDate = new Date(this.currentYear + '-' + this.currentMonth + '-' + this.currentDate.getDate())
    }
  }
}
</script>

<style lang="scss" scoped>
::v-deep .el-calendar-day {
  height: auto;
}
::v-deep .el-calendar-table__row td,
::v-deep .el-calendar-table tr td:first-child,
::v-deep .el-calendar-table__row td.prev {
  border: none;
}
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text {
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
}
::v-deep .el-calendar-table td.is-selected .text {
  background: #409eff;
  color: #fff;
  border-radius: 50%;
}
::v-deep .el-calendar__header {
  display: none;
}
</style>
